Audio headset



FIG. 1 is a perspective view of an audio headset, showing the microphone in an attached condition, showing our design;

FIG. 2 is an opposing perspective view thereof;

FIG. 3 is front view thereof;

FIG. 4 is a rear view of the audio headset, in a microphone attached condition;

FIG. 4A is a rear view of the audio headset, showing the microphone in a detached condition;

FIG. 5 is a side view the audio headset, showing the microphone in an attached condition;

FIG. 5A is a side view of the audio headset, showing the microphone in a detached condition;

FIG. 6 is an opposing side view thereof, showing the microphone in an attached condition;

FIG. 7 is a top view thereof;

FIG. 8 is a bottom view thereof; and,

FIG. 9 is a perspective bottom view of the audio headset, showing the microphone in a detached condition.

The broken lines showing the environment in the figures are for illustrative purposes only and form no part of the claimed design. 

The ornamental design for an audio headset, as shown and described. 